3 use super::utils::{debug_context, DIB};
4 use rustc_codegen_ssa::debuginfo::type_names;
5 use rustc_middle::ty::{self, Instance};
7 use crate::common::CodegenCx;
9 use crate::llvm::debuginfo::DIScope;
10 use rustc_hir::def_id::DefId;
12 pub fn mangled_name_of_instance<'a, 'tcx>(
13 cx: &CodegenCx<'a, 'tcx>,
14 instance: Instance<'tcx>,
15 ) -> ty::SymbolName<'tcx> {
17 tcx.symbol_name(instance)
20 pub fn item_namespace<'ll>(cx: &CodegenCx<'ll, '_>, def_id: DefId) -> &'ll DIScope {
21 if let Some(&scope) = debug_context(cx).namespace_map.borrow().get(&def_id) {
25 let def_key = cx.tcx.def_key(def_id);
26 let parent_scope = def_key
28 .map(|parent| item_namespace(cx, DefId { krate: def_id.krate, index: parent }));
30 let namespace_name_string = {
31 let mut output = String::new();
32 type_names::push_item_name(cx.tcx, def_id, false, &mut output);
37 llvm::LLVMRustDIBuilderCreateNameSpace(
40 namespace_name_string.as_ptr().cast(),
41 namespace_name_string.len(),
42 false, // ExportSymbols (only relevant for C++ anonymous namespaces)
46 debug_context(cx).namespace_map.borrow_mut().insert(def_id, scope);